which of these increases as greenhouse gases pollution increases
a.thickness of freshwater ice sheets
b. ocean salinity
c. ocean surface temp
d.rate of thermohaline circulation

Answer:

The answer is a cell.

Explanation:

The cell is the structural and functional unit of life in an organism

Answer:

The best way to fight invasive species is to prevent them from occurring in the first place. ... Verify that the plants you are buying for your yard or garden are not invasive. Replace invasive plants in your garden with non-invasive alternatives. Ask your local nursery staff for help in identifying invasive plants!

Explanation:

Explanation:

here is your answer

please write from it

An air mass is primarily classified based on its temperature and humidity characteristics. The classification of air masses takes into account both temperature and humidity, as these two factors greatly influence the properties and behavior of the air mass.

Temperature: The temperature of an air mass is a key factor in its classification. Air masses are categorized as either warm or cold, depending on their temperature relative to the surrounding air.

Humidity: Humidity, which refers to the amount of moisture present in the air, is another crucial factor in classifying air masses. Air masses can be classified as either dry (low humidity) or moist (high humidity), depending on the moisture content they contain.

Location: The location of an air mass is considered in its classification to provide a geographical reference. For example, if an air mass originates in the polar regions, it may be referred to as a polar air mass.

Density: While temperature and humidity are the primary factors in air mass classification, density is indirectly related to these factors. Cold air is denser than warm air, so a cold air mass tends to be denser and has a greater tendency to sink and displace warmer, less dense air.

In summary, air masses are primarily classified based on temperature and humidity. However, factors such as location and density are considered to provide additional information about the air mass and its behavior within the atmosphere.

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Answer:

Womersley numbers :  22.25 , 5.96 , 3.72

Explanation:

Calculate the Womersley number if the heart rate = 70 bpm

For the Human Aorta

∝ = r \(\sqrt{\frac{wp}{u} }\)  ------ ( 1 )

r = radius  = 15 mm = 0.015 m

w = 2πf = 2 * π * 70 = 439.82

p = density of blood = 1060 kg/m^3

u = 0.035 P = 3.5 cp = 3.5 * 10^-3 Ns/m^2

Back to equation ( 1 )

∝ = 0.015 * \(\sqrt{\frac{439.82*1060}{60*3.5*10^{-3} } }\) = ( 0.015 * √466209.2 / 0.21 )  = 22.35

 For Carotid artery

r = 0.8 cm / 2 = 0.4 cm = 0.004 m

w = 2πf  = 439.82

Womersley number =  ( 0.004 * √466209.2 / 0.21  )

                                = 0.004 * 1489.981 = 5.96

For Femoral artery

r = 0.5 cm / 2 = 0.25 cm = 0.0025 m

Womersley number = 0.0025 * √466209.2 / 0.21  )

                                = 0.0025 * 1489.981 = 3.72

The flow is unsteady because of the varying Womersley numbers

Viruses are the acellular organisms that are non-living outside any living body. But once they are present inside a living body, they are able to multiply and increase their numbers inside the host cell. For this the viruses use host's energy and other components. They takeover host cell's machinery.

The internal organization of the viruses is composed of a genetic material either DNA or RNA, which is covered by a protein coat called the capsid. Viruses may or may not have an outer envelope made up of lipid.

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Answer:

Catalysts, enzymes

Explanation:

Catalysts are known for reducing the activation energy of a reaction thus increasing the reaction rate.

Enzymes are a type of catalyst.

Sexual reproduction in plants involves the fusion of male and female gametes to produce offspring with genetic diversity.

Mechanisms that facilitate sexual reproduction in plants are examples:

1)Pollination and Fertilization: Many plants rely on pollinators, such as bees, butterflies, or birds, to transfer pollen from the male reproductive structures (anthers) to the female reproductive structures (stigma) of flowers.

This process enables the fusion of sperm cells within the pollen with egg cells in the ovules, leading to fertilization.

Examples include flowering plants like roses, sunflowers, and apple trees.

2)Seed Production: After fertilization, the ovule develops into a seed. Seeds contain an embryo, formed by the fertilized egg, enclosed within a protective seed coat.

The mature seeds can disperse and germinate to give rise to new plants.

Various plant groups, including angiosperms (flowering plants) and gymnosperms (conifers and cycads), reproduce sexually through seed production.

3)Alternation of Generations: In plants with a complex life cycle, such as ferns, mosses, and liverworts, sexual reproduction involves an alternation between two distinct generations: the gametophyte and the sporophyte.

The gametophyte generation produces gametes (sperm and eggs) through specialized structures, while the fusion of gametes gives rise to the sporophyte generation, which produces spores.

4)Self-fertilization: Some plants have the ability to self-fertilize, where the pollen from the anther of a flower is transferred to the stigma of the same flower or another flower on the same plant.

This allows for sexual reproduction without the need for external pollinators. Self-fertilization can be seen in plants like tomatoes, peas, and certain grass species.

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The three types of hyphae can be represented by:

Stolon Hyphae: the horizontal conections between the organims, being hypae that has a function of link different fungi, growing in the soil surface, they are septate and connects the sporangiosphores together;

Rhizoid Hyphae: are the protuberances that extend from the lower epidermal cells, being small branching hyphae that growns downwards from the stolon and creates a anchor to the fungus structure, like the roots in the plants they make possible the fungi structure to the up in the soil;

Sporangiophores: they are spherical (in mostly of the organisms) that are responsible for make possible the asexual reproduction of fungus, being the spores produced by the sporangium in fungi.

Answer:

the math. pay money.

Explanation:

drop the mic.

Answer: Part 1: Mass of fundamental succession stars can be pretty much as low as one-10th of the mass of the sun and can be just about as high as 150 to multiple times the mass of the sun. The age of a star relies upon its mass. The temperature of a star is sufficiently high to intertwine the hydrogen inside them to frame a helium iota. Their temperature can be pretty much as high as 15-18 million kelvin.

Part 2: By a long shot the most unmistakable component is the primary arrangement (dim), which runs from the upper left (hot, glowing stars) to the base right (cool, faint stars) of the chart.

Explanation:

Explanation:

Part 1: Describe the mass and surface temperature of the main sequence stars.

Part 2: Explain using complete sentences where on the Hertzsprung-Russell (HR) diagram you would expect to find a main sequence star based on its physical properties.

is this que good

..

Answer: The 5 physical elements in school include classroom design, lighting, temperature, air quality, and acoustics. These elements are critical for creating a conducive learning environment that promotes quality education.

The important elements of quality education are the learning enviroment, the teacher and their teaching methods, the educational content, the school management, and the funding and organization.

Education is at the top of people’s to-do lists around the world. Making sure children go to school and improving education outcomes can transform the growth and prosperity equation.

Education facilitates socioeconomic advancement and is a key factor in eradicating poverty. Education reduces inequalities and promotes gender equality. Education promotes tolerance and promotes a more peaceful society.

The teacher’s job is to create a learning environment in which students feel empowered to learn in a safe and secure environment.

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From the rock record and fossil record, scientists can infer the history of the Earth and the changes that have occurred over time. The rock record provides information about the physical and chemical properties of rocks and their formation, while the fossil record provides evidence of the past life on Earth.

One specific example of evidence from the rock record is the principle of superposition. This principle states that in a sequence of undisturbed rocks, the oldest rocks are at the bottom and the youngest rocks are at the top. By studying the order of rock layers, scientists can determine the relative ages of the rocks and the events that occurred during their formation.

Another example of evidence from the fossil record is the concept of index fossils. Index fossils are fossils of organisms that lived during a relatively short period of geologic time and were widespread, making them useful for dating rocks and correlating geologic events. For example, the trilobite species Phacops rana is an index fossil of the Ordovician period, which helps scientists to identify and date rocks of that age.

Overall, the evidence from the rock and fossil record helps scientists to organize geologic time by providing a relative timeline of events and the evolution of life on Earth.

Answer:

You can use a tea net to separate the Legos and the sand. When you scoop up the sand into the net, the sand will be sifted away because it is smaller than the holes in the tea net. But, the LEGOs are much bigger, so they will remain inside the net.

organisms such as deer, trout, and eagles obtain nitrogen from the nitrogen cycle through the food chain. Plants obtain nitrogen from the soil, and animals obtain nitrogen from plants or other animals. The nitrogen cycle converts N2 gas into more usable forms of nitrogen, which are absorbed by living things. Nitrogen is an essential nutrient for all living things and is a critical component of ecosystems.

Organisms such as deer, trout, and eagles obtain nitrogen from the nitrogen cycle. Nitrogen is an essential nutrient for plants, animals, and other living things. However, nitrogen cannot be directly used by most organisms because it is present in the atmosphere as a gas (N2), which is relatively inert and unreactive.

Therefore, organisms depend on the nitrogen cycle to convert N2 into more usable forms of nitrogen such as ammonia (NH3), nitrate (NO3-), and nitrite (NO2-).Nitrogen fixation is the process by which N2 is converted into ammonia (NH3) by nitrogen-fixing bacteria. These bacteria live in the soil, and some species live in the roots of certain plants such as legumes. When these bacteria fix nitrogen, they convert it into ammonia, which plants can absorb through their roots. Once the nitrogen is in the plant, it can be used to build proteins and other important molecules. When animals eat plants, they consume the nitrogen in the plant, and it becomes a part of their body.Ammonification is another process in the nitrogen cycle by which dead organisms and animal waste are decomposed by bacteria and fungi. During this process, organic nitrogen compounds are broken down into ammonia, which is released into the soil or water. This ammonia can then be absorbed by plants and incorporated into their tissues.

Nitrification is the process by which ammonia (NH3) is converted into nitrite (NO2-) and then into nitrate (NO3-) by nitrifying bacteria. Once nitrate is produced, it can be absorbed by plants and used to build proteins and other important molecules. When animals eat plants or other animals, they consume the nitrogen in their food, and it becomes a part of their body.Denitrification is the final process in the nitrogen cycle, where nitrate (NO3-) is converted back into N2 gas by denitrifying bacteria. This process releases nitrogen back into the atmosphere, where it can be used again by nitrogen-fixing bacteria to begin the cycle again.

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Answer: C. Used as drinking water

Explanation:

The primate behaviours listed in options a,c, and e are primarily learned rather than instinctual.

Why are these primate behaviours learned rather than instinctive?

According to current scientific knowledge, the following primate behaviours are learned rather than instinctive:

a. Chimpanzees can make different sounds to express how much they want a particular type of food.

c. Campbell's monkeys can use affixation to improve the clarity of their vocalisation.

e. Primates frequently develop new vocalisations to communicate new information.

While it is true that primates communicate primarily through vocalisations (d), this is not a learned or instinctual behaviour, as both can play a role in vocal communication. Similarly, while baboons can detect acoustic differences in calls (b), this ability is likely due to a combination of instinctual and learned factors.

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Answer:

Storm surge

Explanation:

Storm surge

Storm surge and large waves produced by hurricanes pose the greatest threat to life and property along the coast. Storm Surge is an abnormal rise of water generated by a storm's winds.

Hurricane Preparedness - Hazards

Answer:

Having their roots in the ground and climbing high into the tree canopy to reach available sunlight.

Lianas start life in the rainforest canopy and send roots down to the ground.

Explanation:

Answer:

a. Phenotypic and Genotypic 1:1

Explanation:

Two recessive alleles are required in order to be phenotypically affected for Hitchhiker's thumb. Hence, the genotype of the parent with Hitchhiker's thumb would be homozygous recessive.

Assuming the trait to be represented by the allele h, the genotype of the parent with Hitchhiker's thumb would be hh while the genotype of an individual with straight thumb who had a parent with Hitchhiker's thumb would be heterozygous, Hh.

Crossing the two individuals.

                        hh   x   Hh

Progeny:     Hh    hh    Hh    hh

Hh - Straight thumb

hh - Hitchhiker's thumb

Hence, the genotypic ratio is 1:1 while the phenotypic ratio is also 1:1.

The correct option is a.

Answer:

Scientific Theory

Explanation:

The statement "the characteristics of living things change over time" refers to the concept of biological evolution, which is widely accepted as a scientific theory in the field of biology. In scientific terms, a theory is a well-substantiated explanation of a natural phenomenon that is supported by extensive evidence, experimentation, and scientific consensus. The theory of evolution, proposed by Charles Darwin and further developed over time, provides a comprehensive explanation for the diversity and change in the characteristics of living organisms. It is supported by a vast body of evidence from various scientific disciplines, including genetics, paleontology, comparative anatomy, and molecular biology.

In contrast, scientific laws describe observable patterns or regularities in nature that are often expressed as mathematical equations or principles. Laws, such as Newton's laws of motion or the laws of thermodynamics, describe specific relationships or behaviors in the physical world.

Therefore, the statement about the characteristics of living things changing over time aligns with the theory of evolution, rather than being described by a scientific law.

Hope this helps!

No, equilibrium chemical reactions do not exist in living cells.

Chemical equilibrium refers to the situation in a chemical reaction where both the reactants and products are present in concentrations that have no further tendency to change over time, preventing any discernible change in the system's properties. When the forward reaction and the reverse reaction go forward at the same speed, this condition results. The forward and backward reactions typically have equal, if not zero, reaction rates. The concentrations of the reactants and products do not change on a net basis as a result. Dynamic equilibrium is the name given to such a situation.

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complete question is "Are most chemical reactions in living cells at equilibrium in living cell."

Answer:

Since they need to float, leaves on the surface of plants are flat. 6. The presence of air sacs enables them to float. Their roots are smaller so water can spread freely and directly into the leaves

Answer:

High amounts of fluoride

Explanation:

Teeth cleaning agents can contaminate one's blood with fluoride, something that it is only healthy to accumulate a small amount of.

A blood bank would refuse the blood of the potential donor because the cleaning agents of teeth significantly accumulate heavy metals in the blood of an individual.

Teeth are required to be cleaned regularly on their own. But if you are facing some problems like tooth decay you must have to consult with a dental hygienist in order to ensure the health of teeth and gums.

According to the context of this question, a dental hygienist uses a variety of cleaning agents while cleaning the teeth of a patient. Due to this, the accumulation of concentration of heavy metals like fluoride and lead is increased in the blood directly or indirectly.

Apart from this, this person also has genetic inheritance of tooth decay and other diseases. So, the blood bank refused to accept blood from a potential donor.

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Answer:

it maight.make them fat and unhealthy

Answer:

Rice Research Institute b. Genetically modified organism produced by Philippine researchers c. Issues on Philippine biosafety policies

Explanation:

Rice Research Institute b. Genetically modified organism produced by Philippine researchers c. Issues on Philippine biosafety policies

Genetically modified organisms (GMOs) have been a subject of controversy and debate worldwide, including in the Philippines. While GMOs offer potential benefits in terms of increased crop yields and pest resistance, their potential impacts on human health and the environment should not be overlooked.

The use of GMOs in the Philippines has been a contentious issue due to concerns about the safety of these organisms and their potential impacts on human health and the environment. The Philippine government has responded to these concerns by implementing biosafety policies aimed at regulating the use and release of GMOs. One of the key impacts of GMOs on Philippine biosafety policies is the need for a comprehensive and transparent regulatory framework.

Hence, GMOs have significant impacts on Philippine biosafety policies. The introduction of GMOs into the environment requires a comprehensive and transparent regulatory framework that takes into account potential risks and benefits.

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Craters form as the result of explosive eruptive activity at a volcanic vent where rock, magma, and other material is ejected leaving a conical void.

(hope this helps ^^)

Answer: The event that DOESN'T occur during bacterial conjugation is (Transfer of the DNA strands occurs in both directions)

Explanation:

Bacterial Conjugation can be defined as the type of sexual reproduction that can take place in bacteria in which genetic materials are being moved from a bacteria donor cell to a recipient through a DIRECT contact. The bacteria cells which act as donors contain DNA called the fertility factor ( F factor).

The detailed stages of conjugation which occurs in bacteria includes:

--> A direct contact is first established between the donor cell and the recipient cell through the use of a structure called the pilus. This structure is projects out from the donor cell.

--> the pilus shortens and a direct contact established between the two bacteria leads to formation of conjugation tube.

--> At the Origin of transfer site, an enzyme known as the HELICASE cleaves one strand of the F factor DNA. A strand is transferred to the recipient bacterial cell.

--> In the last step, the donor cell and the recipient cell, both contains single-stranded DNA of F - factor. Therefore, the recipient cell also contain a copy of F-factor and become a donor cell.

The option which says that transfer of DNA strands occurs in both directions is wrong because from the steps listed above, one strand of the F-factor DNA is transferred from a donor bacterial cell to a recipient, that is, unidirectional transfer of DNA and not in both directions.

A variety of native species should be maintained or planted within the greenspace to promote biodiversity. So, the correct option is C.

The extensive variety of species in an ecosystem is termed the biodiversity of the said ecosystem. Maintenance of the biodiversity of an area is extremely important to maintain balance in the ecosystem.

To maintain the biodiversity of an area, it's extremely important to preserve the native species of that area. The introduction of non-native species may not always be beneficial for the ecosystem as they might compete with native species.

Therefore, to promote biodiversity, a variety of native species should be maintained or planted. The correct option is C.

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Answer:

c)Native species should be maintained or planted within the greenspace to promote biodiversity

Explanation:

C) is correct because im doing it rn but also cuz the other ones jus dont make sense if you think about it